chr10-20880891-T-A

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_006393.3(NEBL):c.383A>T(p.Gln128Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00007 in 1,614,058 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00047 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000029 ( 1 hom. )

Consequence

NEBL
NM_006393.3 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: 5.83

Variant links:

Genes affected

NEBL (HGNC:16932): (nebulette) This gene encodes a nebulin like protein that is abundantly expressed in cardiac muscle. The encoded protein binds actin and interacts with thin filaments and Z-line associated proteins in striated muscle. This protein may be involved in cardiac myofibril assembly. A shorter isoform of this protein termed LIM nebulette is expressed in non-muscle cells and may function as a component of focal adhesion complexes. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Mar 2010]

NEBL links:

LOC102725112 (HGNC:):

LOC102725112 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.0270859).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NEBL	NM_006393.3 link	c.383A>T	p.Gln128Leu	missense_variant	Exon 5 of 28	ENST00000377122.9	NP_006384.1	O76041-1Q59FZ8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NEBL	ENST00000377122.9 link	c.383A>T	p.Gln128Leu	missense_variant	Exon 5 of 28	1	NM_006393.3	ENSP00000366326.4		O76041-1

Frequencies

GnomAD3 genomes

AF:

0.000460

AC:

AN:

152178

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00152

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000115

AC:

AN:

251328

Hom.:

AF XY:

0.0000442

AC XY:

AN XY:

135830

show subpopulations

Gnomad AFR exome

AF:

0.00148

Gnomad AMR exome

AF:

0.000145

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000287

AC:

AN:

1461762

Hom.:

Cov.:

AF XY:

0.0000248

AC XY:

AN XY:

727182

show subpopulations

Gnomad4 AFR exome

AF:

0.000896

Gnomad4 AMR exome

AF:

0.000179

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.0000331

GnomAD4 genome

AF:

0.000466

AC:

AN:

152296

Hom.:

Cov.:

AF XY:

0.000430

AC XY:

AN XY:

74462

show subpopulations

Gnomad4 AFR

AF:

0.00154

Gnomad4 AMR

AF:

0.000392

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000473

Bravo

AF:

0.000506

ESP6500AA

AF:

0.00227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000173

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Mar 11, 2015	Variant classified as Uncertain Significance - Favor Benign. The p.Gln128Leu var iant in NEBL has not been previously reported in individuals with cardiomyopathy , but has been identified in 0.2% (19/10400) of African chromosomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org; dbSNP rs139809958 ). Computational prediction tools and conservation analysis do not provide stron g support for or against an impact to the protein. In summary, while the clinica l significance of the p.Gln128Leu variant is uncertain, its frequency suggests t hat it is more likely to be benign. -
Uncertain significance, criteria provided, single submitter	clinical testing	Ambry Genetics	Dec 04, 2024	The c.383A>T (p.Q128L) alteration is located in exon 5 (coding exon 5) of the NEBL gene. This alteration results from a A to T substitution at nucleotide position 383, causing the glutamine (Q) at amino acid position 128 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

GeneDx

Nov 13, 2018

A variant of uncertain significance has been identified in the NEBL gene. The Q128L variant has not been published as pathogenic or been reported as benign to our knowledge. The Q128L variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. Additionally, this substitution occurs at a position that is conserved across species. Furthermore, in silico analysis predicts this variant is probably damaging to the protein structure/function. A missense variant in the same residue (Q128R) has been reported in association with DCM and endocardial fibroelastosis in a newborn (Purevjav et al., 2010); however the pathogenicity of this variant has not been definitively determined. Nevertheless, this variant has been observed in approximately 0.2% of alleles from individual of African ancestry in large population cohorts (Lek et al., 2016; 1000 Genomes Consortium et al., 2015; Exome Variant Server; Exome Aggregation Consortium). -

Primary dilated cardiomyopathy

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 23, 2025

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.33

BayesDel_noAF

Benign

-0.26

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.088

T;T

Eigen

Uncertain

0.22

Eigen_PC

Uncertain

0.36

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.77

T;T

M_CAP

Benign

0.030

MetaRNN

Benign

0.027

T;T

MetaSVM

Benign

-0.83

MutationAssessor

Uncertain

2.6

M;.

PrimateAI

Uncertain

0.51

PROVEAN

Uncertain

-4.3

D;D

REVEL

Benign

0.19

Sift

Benign

0.16

T;D

Sift4G

Uncertain

0.016

D;.

Polyphen

0.12

B;.

Vest4

0.57

MVP

0.59

MPC

0.098

ClinPred

0.12

GERP RS

5.8

Varity_R

0.41

gMVP

0.58

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over